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#!/usr/bin/ruby
require "yaml"
require 'db'
require 'db-config'
def do_update verbose
now = "TIMESTAMP '" + $db.query_row("SELECT max(last_seen) AS max FROM router_claims_nickname")['max'].to_s + "'"
denamed = $db.do("
UPDATE router_claims_nickname
SET named=false
WHERE named
AND last_seen < #{now} - INTERVAL '6 months'")
puts "de-named: #{denamed}" if verbose
named = $db.do("
UPDATE router_claims_nickname
SET named=true
WHERE NOT named
AND first_seen < #{now} - INTERVAL '2 weeks'
AND last_seen > #{now} - INTERVAL '2 days'
AND NOT EXISTS (SELECT *
FROM router_claims_nickname AS innertable
WHERE named
AND router_claims_nickname.nickname_id=innertable.nickname_id) "+ # if that nickname is already named, we lose.
" AND NOT EXISTS (SELECT *
FROM router_claims_nickname AS innertable
WHERE router_claims_nickname.nickname_id=innertable.nickname_id
AND router_claims_nickname.router_id <> innertable.router_id
AND last_seen > #{now} - INTERVAL '1 month') ") # if nobody else wanted that nickname in the last month we are set
puts "named: #{named}" if verbose
end
if __FILE__ == $0
$db = Db.new($CONFIG['database']['dbname'], $CONFIG['database']['user'], $CONFIG['database']['password'])
verbose = ARGV.first == "-v"
$db.transaction_begin
do_update verbose
$db.transaction_commit
end
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